Separable chair



B. ALBERGOLI.

SEPARABLE CHAIR.

APPLICATION FILED MAR. 22. 1920- 1392242. Patehtedsept. 27,1921.

s a s 10 l] v 6 5 l2 vwemtoz fern/912 0 filler 40 UNITED STATES PATENT OFFICE.

IBERNARDO ALBERGOLI, OF LAS ROSAS, ARGENTINA.

.SEPARAIBLE CHAIR.

Application filed larch 22, 1920. Serial 1T0. 367,976.

To all whom it may concern:

Be it known that I, BERNARDO 'ALBERooLr, a citizen of the Ar entine Republic, residing at Las Rosas, rovince of Santa F, Argentine Republic, have invented new and useful Improvements in separable Chairs, of which the following. is a specification.

This invention relates to chairs and more particularly to the type of chairs in which the construction permits of the chairs'being readily assembled and disassembled, whereby the chairs may be shipped from place to place in knock-down fashion. 4

A feature of this invention is the arrangement and construction of parts whereby a knock-down chair may be easily assembled without the aid of special tools and whereby the component parts of the chair, when assembled, are rigidly and firmly held in the desired relation to each other.

, A further feature of this invention'is the provision of a knockdown chair in which all the parts, including the seat, are formed of relatively narrow strips. Thishas the advantage of permitting ,the chair to be manufactured from material of narrow width which otherwise could not be used'in chair construction and which is less expensive than wide material.

. Generally considered, the chair of this invention comprises a seat portion; front legs secured to the seat portion, each by a relatively short bolt; rear legs and a separate and independent back portion secured to each other and to the seat portion by a pair of bolts, one at each side of the chair, and each having an end anchored in the back portion, the other end anchored in the rear leg, and an intermediate portion passing through an aperture provided in the seat portion for the purpose; and a plurality'of relatively narrow slats adapted to be assembled upon the seat Portion to constitute the seat proper.

In the accompanying drawings:

Figure 1 is a sectional side elevation of the chair of the present invention taken through the center of the chair.

Fig. 2 is a sectional side view of a portion of the chair showing particularly the .manner in which the front and rear legs and the back-rest of the chair are secured together.

Fig. 3 is a top plan view of the seat portion of the chair, the slats constituting the seat proper being assembled for use and the back rest members being shown in section.

Fig. 4 is. a similar plan view, but showing merely the seat portion without the seat slats. I

Fig. 5 is a sectional view taken on theline a 'd'of Fig. 4.

Fig. 6 is asec'tional view takenon the line bb of Fig. 3. i

Referring to the drawings, the seat portion, which forins the basic element of the chair, is constituted by side bars 1 and 3, rear bar 2 and a front bar 5, firmly secured together by any suitable means to form a rectangular framework. On the inside edges of the side members 1 and 3 there is formed grooves 4 into which the ends of a plurality of slats 9 are adapted to be lodged, edge to edge, to form the seat proper. The top of the front member 5 is slightly below the level of" the grooves 4 so that the slats 9 can be slid with ease into and along the grooves 41. After all the slats are assembled they are maintained in place and the level of the front member i raised to the level of the side members by a bar 6 which is secured to the front bar 5 by screws 7 assing through holes 8 in the member 5. noth'er function of the bar 6 will be described hereinafter. The front and rear members also have grooves for the reception of the sides of the end slat and therefore further hold the slats in place.

Each of the front legs 15 is secured to the seat portion of the chair by a bolt 13 passing through holes provided in the seat portion and the leg 15. The bolt 13 extends parallel with the leg of the chair and in one sense forms a continuation thereof. The head of the bolt is uppermost and contacts with the top of the front member 5. The other end of the bolt is threaded as usual and adjacent this threaded portion a suitable opening is provided in the leg for the reception of a nut 14 which bears against the sides of the openin when the bolt is tightened and thus holds the bolt firmly and securely to the leg, and through the head of the bolt holds the seat portion of the chair to the leg. In assembling the nut it is first placed in the opening and then the bolt is turned until the threaded portion thereof passes through the nut and the parts securely held. After the leg is assembled, the opening is closed by a suitable plug to conceal it. The bar 6 for the front member 5 is cut out to receive the head of the bolt, and therefore when the bolt is tightened and the bar 6 put in place the head of the bolt 13 will be concealed.

The rear legs 19 and the back-rest mem bers 17 are independent and separate, but the leg and back-rest member of each side are connected together and to the seat portion of the chair by a screw-threaded rod 16. This rod 16 passes through holes in the leg and back member and through a hole 18 in the seat portion of the seat and is provided at its ends with screw-threaded portions which receive nuts 20 and 21 mounted in openings 22 and-23 in the leg 19 and back member 17 respectively, the openings 22 and 23 being similar to the openings in the front legs above described and being likewise subsequently filled with plugs. Then the nuts are tightened the rod 16 will securely hold the back member 17 and the leg 19 to the seat portion of the chair. The rod 16 does not extend for any great length but terminates relatively close to the seat portion where it is provided with the nuts 20 and 21.

The seat slats 9 may be further supported against sagging by a slat 10 which extends transversely of the slats 9 and which is lodged in a slot 11 in the rear member 2 and a slot 12 in the front member 5;

It will be readily understood by those skilled in the art that the chair above de-' scribed can be cheaply and economically manufactured and easily assembled and disassembled.

I claim as my invention:

1. A demountablechair comprising in combination, a seat framethe side members member of the frame, said bolt also extending vertically into the upper end ortion of the leg and having its screw-threa ed end in engagement with a nut located in an opening in said leg, a seat comprising slats arranged transversely of said seat frame and having their ends located in said rooves, said bar covering the heads of said bolts and maintaining said slats against removal, and rear legs and a back rest secured to said seat frame.

2. A demountable chair comprising a seat portion; front legs; a'relatively short bolt having its head in engagement with a cross member of the seat portion and its nut lodged in an opening in the leg for securing each leg to the seat portion; a seat comprising a plurality of'narrow slats adapted to be slid into the seat portion and held thereto by grooves in the side members'of the seat por tion, the grooves being openat the front of the seat portion; and a front cross piece adapted to cover the bolt heads and at the same time to lock the slats in position in the grooves substantially as described.

In testimony whereof I have signed my name to this s ecification.

B RNARDO ALBERGOLI. 

